| 释义 |
step /step/
(-pp-)
► SEE ALLstep aside/down (as/from sth)step backstep down (as/from sth)step forwardstep instep on it step out step up (to sb/sth)step sth up●ˌstep aˈside/ˈdown (as/from sth) to leave an important job or position in order to let sb else take your place 下台；退位；辞职；让出…职位◆After ten years as party leader, it’s time for him to step aside.
他当了 10 年的党魁，现在该让贤了。◆He decided to step aside as director to make way for his son.
他决定把公司董事的位置让给儿子。◆I intended to step down as Chairman.
我想辞去主席职务。◆She’s stepping down from her post next year.
她明年就要离职了。[v + adv]●ˌstep ˈback1. (from sth) to try to think calmly about a situation in which you have been closely involved, as if you are not involved in it 跳出（某事物的）圈子（看待问题）；置身事外（冷静思考）；旁观◆You should try to step back from the problem and look for a new way to deal with it.
你应该试着从旁观者的角度看待这个问题，寻找新的处理方法。SYN stand back (from sth) 2. to feel as if you have moved backwards to an earlier period of history 仿佛回到，似乎置身（某历史时期）◆When you enter the cathedral you step back in time to the 15th century.
一走进大教堂，就有一种回到了 15 世纪的感觉。[v + adv]●ˌstep ˈdown (as/from sth) SYN stand down (as/from sth) ➡ step aside/down ●ˌstep ˈforwardto offer to help sb, give information, money, etc. 主动站出来（帮忙、提供信息、出资等）◆A soft drinks company has stepped forward to sponsor the team.
一家软饮料公司提出赞助该队。[v + adv]●ˌstep ˈinto help in an argument or a difficult situation 施以援手；居间调停；居中斡旋◆When my mum was ill, my aunt stepped in to help.
我妈妈生病时，姨妈前来帮忙。◆The Youth Club was going to close, but a local bank stepped in with a generous donation.
青年俱乐部即将关闭时，一家当地银行出来慷慨相助。[v + adv]●ˈstep on it (informal) used especially to tell sb to drive faster （尤用于要求加速行驶）开快些，赶快◆Step on it! We’re late!
开快点！我们迟到了！◆We’ll have to step on it to be there by noon.
我们要想中午赶到那儿，就得加速了。◆ (figurative) Step on it! I need those figures soon.
麻利点！我马上要那些数据。[v + prep + it]●ˌstep ˈout (especially NAmE) to leave a place for a short period 离开一小会儿；暂时离开◆He’s just stepped out for ten minutes.
他刚出去了十分钟。[v + adv]●ˌstep ˈup (to sb/sth) to come forward 走上前去◆He stepped up to receive his award.
他走上前去领奖。◆The runners stepped up to the line.
赛跑运动员走向起跑线。[v + adv]●ˌstep sth ˈupto increase the rate, level, amount, etc. of sth 增加，提高（速度、水平、数量等）◆Security has been stepped up at the airport since the bomb scare.
自遭遇炸弹恐吓以来，机场已加强了安全措施。◆Police have stepped up their search for the missing schoolgirl.
警方加紧搜寻失踪女学生。OBJ campaign, pressure, security, production, efforts[v + adv + n] [v + n/pron + adv] ➡ SYNONYMS 同义词辨析step sth up
boost sth ◇ heighten sth ◇ intensify sth ◇ step sth up
These verbs all mean to make the amount or level of sth bigger or greater. 这些动词都表示增强、加强、强化。
boost sth (often approving)
(used especially in newspapers) to make sth become stronger, better or more successful （尤用于报章）增强，提升，促进to boost productivity / sales / spending 提高生产率／销售额／支出额to boost sb's morale / career / confidence 提高士气／促进事业／增强信心
NOTE Boost is always used about a positive increase. * boost 总是用于指积极的增长。
heighten sth
to increase an effect or feeling or make it stronger 增强，加强，提高（效果或感觉）The campaign is intended to heighten public awareness of the disease. 活动旨在提高公众对这一疾病的认识。Fears of further conflict were heightened by news of the riots. 发生骚乱的消息加深了人们对冲突加剧的担忧。
intensify sth
to increase an activity or feeling in degree or strength 增强，加强，强化（活动或感觉）The leader has intensified his attacks on the government. 领导人加强了对政府的攻击。The reforms served only to intensify the misery of the poor. 改革只是加剧了穷人的痛苦。▸ intensification noun [uncountable, singular]
step sth up
to increase the level of an activity 增加，提高（活动水平）He has stepped up his training to prepare for the race. 为了准备赛跑，他已经加强了训练。Security has been stepped up in response to the recent threat. 已经加强了安全措施来应对近期的威胁。
WHICH WORD?
Heighten and intensify can also be used without an object, though heighten is more commonly used with an object. Heighten is used especially about feelings and attitudes; intensify can apply to actions too * heighten 和 intensify 也可不接宾语，尽管 heighten 接宾语更常见。heighten 尤用于指感觉和态度上的强烈程度； intensify 也可用于表示行为方面的强化a heightened sense of loneliness / well-being 更强烈的孤独感／幸福感to intensify the campaign / battle. 深入开展活动／扩大战役
PATTERNS AND COLLOCATIONSto boost / step up sth by… / from… / to… to boost / heighten awareness / interest to boost support / confidence / your income / prices / profits / numbers to intensify / step up the pressure / a campaign / your efforts to heighten the tension to intensify / heighten / step up security to boost sth considerably / significantly / dramatically |